Acquisitions and Divestitures - 2014 Dispositions Disposal (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
Feb. 28, 2014	Dec. 31, 2014
Centennial Resource Production, LLC (Centennial OpCo) and Celero Energy Company, L.P.
Disposal
Proceeds from sale of interest		$ 71,781
Deemed contribution from sale of assets		$ 20,653
Gas gathering agreement \| Centennial Resource Production, LLC (Centennial OpCo) \| Atlantic Midstream \| Disposal by sale, not discontinued operations
Disposal
Ownership (as a percent)	98.50%
Proceeds from sale of interest	$ 71,800
Deemed contribution from sale of assets	$ 20,000

Total change in members capital due to deemed contribution from sale of assets.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The number of units or percentage investment held by one or more members or limited partners of the LLC or LP.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

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- Definition

This element represents the cash inflow during the period from the sale of a component of the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

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